Prefix Information

The prefix 123 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-123-0000 through 603-123-9999).

Browse Numbers in This Prefix

603-123-0000-0999 603-123-1000-1999 603-123-2000-2999 603-123-3000-3999 603-123-4000-4999 603-123-5000-5999 603-123-6000-6999 603-123-7000-7999 603-123-8000-8999 603-123-9000-9999

Sample Numbers

(603) 123-0000 (603) 123-1234 (603) 123-2000 (603) 123-3333 (603) 123-4444 (603) 123-5555 (603) 123-6000 (603) 123-7777 (603) 123-8888 (603) 123-9999